///
// * jdbm LICENSE v1.00
// *
// * Redistribution and use of this software and associated documentation
// * ("Software"), with or without modification, are permitted provided
// * that the following conditions are met:
// *
// * 1. Redistributions of source code must retain copyright
// *    statements and notices.  Redistributions must also contain a
// *    copy of this document.
// *
// * 2. Redistributions in binary form must reproduce the
// *    above copyright notice, this list of conditions and the
// *    following disclaimer in the documentation and/or other
// *    materials provided with the distribution.
// *
// * 3. The name "jdbm" must not be used to endorse or promote
// *    products derived from this Software without prior written
// *    permission of Cees de Groot.  For written permission,
// *    please contact cg@cdegroot.com.
// *
// * 4. Products derived from this Software may not be called "jdbm"
// *    nor may "jdbm" appear in their names without prior written
// *    permission of Cees de Groot.
// *
// * 5. Due credit should be given to the jdbm Project
// *    (http://jdbm.sourceforge.net/).
// *
// * THIS SOFTWARE IS PROVIDED BY THE ndbm PROJECT AND CONTRIBUTORS
// * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
// * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
// * CEES DE GROOT OR ANY CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
// * OF THE POSSIBILITY OF SUCH DAMAGE.
// *
// * Copyright 2001 (C) Alex Boisvert. All Rights Reserved.
// * Contributions are Copyright (C) 2001 by their associated contributors.
// *
// 

//*************************************************************************
//**  Included in JDMB 1.0 port to SharpDBM;  11/2013 Cyrus Neah cneah@codingreal.com
//**  SharpDBM is an independent reimplementation of the JDBM 1.0 software library in C#  
//*************************************************************************


using System.Runtime.Serialization.Formatters.Binary;
using System.IO;
using System;

namespace SharpDBM.helper
{


///
// * Serialization-related utility methods.
// *
// * @author <a href="mailto:boisvert@intalio.com">Alex Boisvert</a>
// * @version $Id: Serialization.java,v 1.1 2002/05/31 06:33:20 boisvert Exp $
// 
	public   class Serialization
	{

//    *
//     * Serialize the object into a byte array.
//     
 
//
		public static sbyte[] serialize(object obj)
		{
            //ByteArrayOutputStream baos;
            //BinaryWriter oos;

            //baos = new ByteArrayOutputStream();
            //oos = new BinaryWriter(baos);
            //byte[] toBytes = SerializeToBytes(obj);

            ////new 
            //System.Runtime.Serialization.Formatters.Binary.BinaryFormatter _BinaryFormatter
            //            = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
            //System.IO.MemoryStream _MemoryStream = new System.IO.MemoryStream(toBytes);
            //_BinaryFormatter.Serialize(_MemoryStream, obj);
            //// end new

            ////oos.Write(toBytes, 0, toBytes.Length);
            //oos.Close();


            var formatter = new BinaryFormatter();
            using (var stream = new MemoryStream())
            {
                formatter.Serialize(stream, obj);
                stream.Seek(0, SeekOrigin.Begin);                
                byte[] bytes = stream.ToArray();
                stream.Close();

                return Array.ConvertAll(bytes, b => (sbyte)b); 
            }

			 
		}




//    *
//     * Deserialize an object from a byte array
//     
		public static object deserialize(sbyte[] buf)
		{
            //ByteArrayInputStream bais;
            //BinaryReader ois;

            //bais = new ByteArrayInputStream(Array.ConvertAll(buf, b => (byte)b));
            //ois = new BinaryReader(bais);
            //byte[] bytes = Array.ConvertAll(buf, b => (byte)b);
            
            ////new
            //System.Runtime.Serialization.Formatters.Binary.BinaryFormatter _BinaryFormatter
            //            = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
            //System.IO.MemoryStream _MemoryStream = new System.IO.MemoryStream(bytes);
            //_MemoryStream.Position = 0;
            //return _BinaryFormatter.Deserialize(_MemoryStream);
            // end new
			//return ois.Read(bytes, 0, bytes.Length);
            byte[] bytes = Array.ConvertAll(buf, b => (byte)b);
            
           

            var formatter = new BinaryFormatter();
            
            using (var stream = new MemoryStream(bytes))
            {
                return formatter.Deserialize(stream);
            }





		}

		public static byte[] SerializeToBytes<T>(T item)
		{
			var formatter = new BinaryFormatter();
			using (var stream = new MemoryStream())
			{
				formatter.Serialize(stream, item);
				stream.Seek(0, SeekOrigin.Begin);
				return stream.ToArray();
			}
		}
		public static byte[] SerializeToBytes(object item)
		{
			var formatter = new BinaryFormatter();
			using (var stream = new MemoryStream())
			{
				formatter.Serialize(stream, item);
				stream.Seek(0, SeekOrigin.Begin);
				return stream.ToArray();
			}
		}

		public static object DeserializeFromBytes(byte[] bytes)
		{
			var formatter = new BinaryFormatter();
			using (var stream = new MemoryStream(bytes))
			{
				return formatter.Deserialize(stream);
			}
		}


	}

}